CA2409458C - Strap holding device - Google Patents

Strap holding device Download PDF

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Publication number
CA2409458C
CA2409458C CA002409458A CA2409458A CA2409458C CA 2409458 C CA2409458 C CA 2409458C CA 002409458 A CA002409458 A CA 002409458A CA 2409458 A CA2409458 A CA 2409458A CA 2409458 C CA2409458 C CA 2409458C
Authority
CA
Canada
Prior art keywords
strap
connection
structural member
fasteners
structural
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002409458A
Other languages
French (fr)
Other versions
CA2409458A1 (en
Inventor
Mark G. Crawford
Louay A. Shamroukh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Simpson Strong Tie Co Inc
Original Assignee
Simpson Strong Tie Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Simpson Strong Tie Co Inc filed Critical Simpson Strong Tie Co Inc
Publication of CA2409458A1 publication Critical patent/CA2409458A1/en
Application granted granted Critical
Publication of CA2409458C publication Critical patent/CA2409458C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B7/00—Roofs; Roof construction with regard to insulation
    • E04B7/02—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs
    • E04B7/022—Roofs; Roof construction with regard to insulation with plane sloping surfaces, e.g. saddle roofs consisting of a plurality of parallel similar trusses or portal frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B9/00—Connections of rods or tubular parts to flat surfaces at an angle
    • F16B9/05—Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member
    • F16B9/052—Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member the intermediate member having a radial flange secured to the flat surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B9/00—Connections of rods or tubular parts to flat surfaces at an angle
    • F16B9/05—Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member
    • F16B9/058—Connections of rods or tubular parts to flat surfaces at an angle by way of an intermediate member the intermediate member being secured to the rod by transverse fasteners
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B1/2604—Connections specially adapted therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
    • E04B2001/2696—Shear bracing
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C2003/026—Braces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/50—Flanged connections
    • F16B2200/503—Flanged connections the flange being separate from the elements to be connected

Abstract

The present invention provides a connection having a plurality of parallel structural members. The structural members are bridged by strap member, preferably light gauge steel. The end of the strap member is held in place by an overlapping strap holder. Fasteners hold the strap holder and the strap to the underlying structural member, with at least one passing through only the strap holder into the first side of the the first structural member.

Description

STRAP HOLDING DEVICE

BACKGROUND OF THE INVENTION

The present invention relates to a connection in which a strap bridges a plurality of substantially parallel structural members and is secured by a strap holder, especially where an elongate utility strap is used, typically in pairs forming X
bracing, to reinforce roof trusses against forces acting along the length of the roof.
Single diagonal braces of this general type are also commonly used in walls in light wood frame construction, and might also be used to brace floor beams or other series of parallel structural members.

SUMMARY OF THE INVENTION

It is an object of the present invention to provide a secure connection between an elongated strap member and a structural member. The present invention improves on the prior art of simply nailing through the strap and into the structural member beneath it. The present invention provides a connection having a plurality of parallel structural members. The structural members are bridged by strap member, preferably light gauge steel. The end of the strap member is held in place by an overlapping strap holder. Fasteners hold the strap holder and the strap to the underlying structural member, with at least one passing through only the strap holder into the first side of the the first structural member.

In one aspect, the present invention resides in a connection comprising: a. a plurality of substantially parallel structural members; b. a first structural member comprising a first side, a second side and a first juncture between said first side and said second side; c. a strap member having an upper surface, a lower surface, a first side edge, a second side edge, and a first end edge; d. a strap holder having an upper face and a lower face, said lower face being dimensioned to interface with said first side of said first structural member and attached only to said first structural member of said plurality of structural members; and e. a plurality of fasteners;

la wherein i. said lower surface of said strap member interfaces with said first side of said first structural member; ii. said lower face of said strap holder interfaces with said upper surface of said strap member, extending beyond said first side edge to interface with said first side of said first structural member; iii. at least one of said plurality of fasteners passes through both said strap holder and said strap member and into said first side of said first structural member; iv. at least one of said plurality of fasteners passes through only said strap holder into said first side of said first structural member; and v. said strap member crosses over said plurality of substantially parallel structural members and, in substantially the same plane, said second side of said first structural member, interfacing with said second side of said first structural member, and said strap member is bent over said first juncture.

In another aspect, the present invention resides in a connection comprising:
i. a plurality of substantially parallel structural members; ii. a first structural member having a first side; iii. a strap member having an upper surface, a lower surface, a first side edge, a second side edge, and a first end edge; iv. a strap holder having an upper face and a lower face, said lower face being dimensioned to interface with said first side of said first structural member and attached only to said first structural member of said plurality of structural members; and v. a plurality of fasteners;
wherein vi. said lower surface of said strap member interfaces with said first side of said first structural member; vii. said lower face of said strap holder interfaces with said upper surface of said strap member, extending beyond said first side edge to interface with said first side of said first structural member; viii. at least one of said plurality of fasteners passes through both said strap holder and said strap member and into said first side of said first structural member; ix. at least one of said plurality of fasteners passes through only said strap holder into said first side of said first structural member; and x. said strap member crosses over said plurality of substantially parallel structural members; wherein said first structural member further comprises a second side and a first juncture between said first side and said second side and wherein said strap member is bent over said first juncture and interfaces with said second side; and wherein said strap holder additionally comprises a first transition line and a second transition line, said first transition line lb and said second transition line dividing said upper face and said lower face into a first attachment portion, a second attachment portion, and a first securement portion between said first transition line and said second transition line, and wherein said first securement portion is dimensioned to closely interface with said upper surface of said strap member, said first transition line being closely parallel to said first side edge of said strap and said second transition fine being closely parallel to said second side edge of said strap.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. I is an isometric view of a roof, showing three sections of roof trusses connected by strap members arranged in X patterns.
FIG. 2 is an isometric view of a plurality of roof trusses, joined by perpendicular bracing and by connections of the present invention.
FIG. 3 is a side elevation view of the preferred embodiment of the strap holder of the present invention.
FIG. 4 is a top plan view of the preferred embodiment of the strap holder of the present invention.
FIG. 5 is a side elevation view of the preferred embodiment of the strap holder of the present invention, perpendicular to the view of FIG. 3.
FIG. 6 is a bottom plan view of the preferred embodiment of the strap holder of the present invention.
FIG. 7 is a side elevation view of a roof truss showing a plurality of connections of the present invention, in particular the interface of first structural member, strap and strap holder.
FIG. 8 is a side elevation view of the strap holder, strap member and first structural member of the present invention, connected by fasteners.
FIG. 9 is an isometric view of an alternate preferred embodiment of the present invention, in which the plurality of substantially parallel structural members are wall studs.
FIG. 10 is an an isometric view of a second alternate preferred embodiment of the present invention, in which the plurality of substantially parallel structural members are floor joists.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

As best seen in FIG. 2, the preferred form of the present invention is a connection 1 comprising a plurality of substantially parallel structural members 2, a first structural member 3 having a first side 4, a strap member 5 having an upper surface 6, a lower surface 7, a first side edge 8, a second side edge 9, and a first end edge 10, a strap holder 12 having an upper face 13 and a lower face 14, the lower face 14 being dimensioned to interface ..,.__.._.. .. _ . __ _....._...
_ _...._ . . __... ..,...___..,._..._.__._ _ _ _._.____.._..,~.
with the first side 4 of the first structural member 3 and attached only to the first structural member 3 of the plurality of structural members 2, and a plurality of fasteners 15. The lower surface 7 of the strap member 5 interfaces with the first side 4 of the first structural member 3, the lower face 14 of the strap holder 12 interfaces with the upper surface 6 of the strap member 5, extending beyond the first side edge 8 to interface with the first side 4 of the first structural member 3, at least one of the plurality of fasteners 15 passes through both the strap holder 12 and the strap member 5 and into the first side 4 of the first structural member 3, at least one of the plurality of fasteners 15 passes through only the strap holder 12 into the first side 4 of the first structural member 3, and the strap member 5 crosses over the plurality of substantiaily parallel structural members 2. As shown in FIG.
2, in the preferred embodiment of the present invention, the substantially parallel structural members 2 are the top members of roof trusses 11. The connection 1 of the present invention is paired to create X bracing that reinforces the roof 16 against forces acting primarily along the length of the roof 16, which is otherwise relatively rigid where it joins the wall below, which is typically reinforced by sheathing against shear forces acting along the length of the wall. As shown in FIG. 1, a number of areas of the roof 16 are reinforced with X bracing, which is often required by building codes.
As best shown in FIG. 7 and in detail in FIG. 8 in the preferred embodiment the first structural member 3 further comprises a second side 17 and a first juncture 18 between the first side 4 and the second side 17. The strap member 5 is bent over the first juncture 18 and interfaces with the second side 17.

As best shown in FIG. 3, FIG. 4, FIG. 5, and FIG. 6, in the preferred embodiment the strap holder 12 additionally comprises a first transition line 19 and a second transition line 20, the first transition line 19 and the second , ._ -=- .._. __. .
transition line 20 dividing the upper face 13 and the lower face 14 into a first attachment portion 21, a second attachment portion 22, and a first securement portion 23 between the first transition line 19 and the second transition line 20, and wherein the first securement portion 23 is dimensioned to closely interface with the upper surface 6 of the strap member 5, the first transition line 19 closely parallel to the first side edge 8 and the second transition line 20 closely parallel to the second side edge 9. In the preferred embodiment, the first transition line 19 and the second transition line 20 are double bends that create a raised securement portion 23 that bisects the middle of the strap holder 12.

As best shown in FIG. 7 and FIG. 8, in the preferred embodiment one or more of the plurality of fasteners 15 passes through the first attachment portion 21 into the first side 4 of the first structural member 3, one or more of the plurality of fasteners 15 passes through the second attachment portion 22 into the first side 4 of the first structural member 3, and one or more of the plurality of fasteners 15 passes through the first securement portion 23, through the strap member 5, and into the first side 4 of the first structural member 3.
As shown in FIG. 2, in the preferred embodiment, the plurality of substantially parallel structural members 2 and the first structural member 3 are the top chords of roof trusses 11 and the top chords of roof trusses 25 are made of wood. As shown in FIG. 10, in an alternate preferred embodiment, the plurality of substantially parallel structural members 2 and the first structural member 3 are floor beams, and the floor beams are made of wood. As shown in FIG. 9, in another alternate preferred embodiment, the plurality of substantially parallel structural members 2 and the first structural member 3 are wall studs. Notwithstanding the above, the substantially parallel structural members 2 may be any such series of structural members, and may made of any material, such as steel. In the preferred embodiment, the fasteners 15 are nails, although they may be screws, bolts or any other type of pin-like fastener.
5 In the preferred embodiment, the strap member 5 and strap holder 12 are both formed from light gauge steel, but either or both may be formed from other metals or plastics, or any other material that may be formed into the necessary shapes.

In the preferred embodiment, the strap holder 12 is formed with a plurality of fastener openings 24 and the strap member 5 is also formed with a plurality of fastener openings 25.

Claims (35)

1. A connection comprising:
i. a plurality of substantially parallel structural members;
ii. a first structural member having a first side;
iii. a strap member having an upper surface, a lower surface, a first side edge, a second side edge, and a first end edge;
iv. a strap holder having an upper face and a lower face, said lower face being dimensioned to interface with said first side of said first structural member and attached only to said first structural member of said plurality of structural members; and v. a plurality of fasteners; wherein vi. said lower surface of said strap member interfaces with said first side of said first structural member;
vii. said lower face of said strap holder interfaces with said upper surface of said strap member, extending beyond said first side edge to interface with said first side of said first structural member;
viii. at least one of said plurality of fasteners passes through both said strap holder and said strap member and into said first side of said first structural member;
ix. at least one of said plurality of fasteners passes through only said strap holder into said first side of said first structural member; and x. said strap member crosses over said plurality of substantially parallel structural members;
wherein said first structural member further comprises a second side and a first juncture between said first side and said second side and wherein said strap member is bent over said first juncture and interfaces with said second side;
and wherein said strap holder additionally comprises a first transition line and a second transition line, said first transition line and said second transition line dividing said upper face and said lower face into a first attachment portion, a second attachment portion, and a first securement portion between said first transition line and said second transition line, and wherein said first securement portion is dimensioned to closely interface with said upper surface of said strap member, said first transition line being closely parallel to said first side edge of said strap and said second transition fine being closely parallel to said second side edge of said strap.
2. The connection of claim 1, wherein one or more of said plurality of fasteners passes through said first attachment portion into said first side of said first structural member, one or more of said plurality of fasteners passes through said second attachment portion into said first side of said first structural member, and one or more of said plurality of fasteners passes through said first securement portion, through said strap member, and into said first side of said first structural member.
3. The connection of claim 2, wherein said plurality of substantially parallel structural members and said first structural member are the top chords of roof trusses.
4. The connection of claim 3, wherein said top chords of roof trusses are made of wood.
5. The connection of claim 4, wherein said fasteners are nails.
6. The connection of claim 5, wherein said strap holder is formed with fastener openings.
7. The connection of claim 6, wherein said strap is formed with fastener openings.
8. The connection of claim 2, wherein said plurality of substantially parallel structural members and said first structural member are floor beams.
9. The connection of claim 8, wherein said floor beams are made of wood.
10. The connection of claim 9, wherein said fasteners are nails.
11. The connection of claim 10, wherein said strap holder is formed with fastener openings.
12. The connection of claim 11, wherein said strap is formed with fastener openings.
13. The connection of claim 2, wherein said plurality of substantially parallel structural members and said first structural member are wall studs.
14. The connection of claim 13, wherein said wall studs are made of wood.
15. The connection of claim 14, wherein said fasteners are nails.
16. The connection of claim 15, wherein said strap holder is formed with fastener openings.
17. The connection of claim 16, wherein said strap is formed with fastener openings.
18. A connection comprising:
a. a plurality of substantially parallel structural members;
b. a first structural member comprising a first side, a second side and a first juncture between said first side and said second side;
c. a strap member having an upper surface, a lower surface, a first side edge, a second side edge, and a first end edge;
d. a strap holder having an upper face and a lower face, said lower face being dimensioned to interface with said first side of said first structural member and attached only to said first structural member of said plurality of structural members; and e. a plurality of fasteners; wherein i. said lower surface of said strap member interfaces with said first side of said first structural member;
ii. said lower face of said strap holder interfaces with said upper surface of said strap member, extending beyond said first side edge to interface with said first side of said first structural member;
iii. at least one of said plurality of fasteners passes through both said strap holder and said strap member and into said first side of said first structural member;
iv. at least one of said plurality of fasteners passes through only said strap holder into said first side of said first structural member; and v. said strap member crosses over said plurality of substantially parallel structural members and, in substantially the same plane, said second side of said first structural member, interfacing with said second side of said first structural member, and said strap member is bent over said first juncture.
19. The connection of claim 18, wherein said strap holder additionally comprises a first transition line and a second transition line, said first transition line and said second transition line dividing said upper face and said lower face into a first attachment portion, a second attachment portion, and a first securement portion between said first transition line and said second transition line, and wherein said first securement portion is dimensioned to closely interface with said upper surface of said strap member, said first transition line being closely parallel to said first side edge of said strap and said second transition line being closely parallel to said second side edge of said strap.
20. The connection of claim 19, wherein one or more of said plurality of fasteners passes through said first attachment portion into said first side of said first structural member, one or more of said plurality of fasteners passes through said second attachment portion into said first side of said first structural member, and one or more of said plurality of fasteners passes through said first securement portion, through said strap member, and into said first side of said first structural member.
21. The connection of claim 20, wherein said plurality of substantially parallel structural members and said first structural member are the top chords of roof trusses.
22. The connection of claim 21, wherein said top chords of roof trusses are made of wood.
23. The connection of claim 22, wherein said fasteners are nails.
24. The connection of claim 23, wherein said strap holder is formed with fastener openings.
25. The connection of claim 24, wherein said strap is formed with fastener openings.
26. The connection of claim 20, wherein said plurality of substantially parallel structural members and said first structural member are floor beams.
27. The connection of claim 26, wherein said floor beams are made of wood.
28. The connection of claim 27, wherein said fasteners are nails.
29. The connection of claim 28, wherein said strap holder is formed with fastener openings.
30. The connection of claim 29, wherein said strap is formed with fastener openings.
31. The connection of claim 30, wherein said plurality of substantially parallel structural members and said first structural member are wall studs.
32. The connection of claim 31, wherein said wall studs are made of wood.
33. The connection of claim 32, wherein said fasteners are nails.
34. The connection of claim 33, wherein said strap holder is formed with fastener openings.
35. The connection of claim 34, wherein said strap is formed with fastener openings.
CA002409458A 2001-10-30 2002-10-22 Strap holding device Expired - Fee Related CA2409458C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/000,678 US6988346B2 (en) 2001-10-30 2001-10-30 Strap holding device
US10/000,678 2001-10-30

Publications (2)

Publication Number Publication Date
CA2409458A1 CA2409458A1 (en) 2003-04-30
CA2409458C true CA2409458C (en) 2009-05-26

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Family Applications (1)

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CA002409458A Expired - Fee Related CA2409458C (en) 2001-10-30 2002-10-22 Strap holding device

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US (2) US6988346B2 (en)
EP (1) EP1308573A1 (en)
CA (1) CA2409458C (en)

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US20030136059A1 (en) 2003-07-24
US20030079419A1 (en) 2003-05-01
EP1308573A1 (en) 2003-05-07
CA2409458A1 (en) 2003-04-30
US6988346B2 (en) 2006-01-24
US6877291B2 (en) 2005-04-12

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